学步园

//
// HelloWorldScene.h
//

#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"

USING_NS_CC;

class HelloWorld : public cocos2d::CCLayer ,public cocos2d::CCTextFieldDelegate
{
public:
    virtual bool init();
    static cocos2d::CCScene* scene();
    void menuCloseCallback(CCObject* pSender);
    
    CREATE_FUNC(HelloWorld);
    
    virtual bool onTextFieldAttachWithIME(CCTextFieldTTF *pSender);
    virtual bool onTextFieldDetachWithIME(CCTextFieldTTF *pSender);
    virtual bool onTextFieldInsertText(CCTextFieldTTF *pSender, const char *delText, int nLen);
    virtual bool onTextFieldDeleteBackward(CCTextFieldTTF *pSender, const char *delText, int nLen);
};

#endif

<pre name="code" class="cpp">//
// HelloWorldScene.h
//

#include "HelloWorldScene.h"

USING_NS_CC;

CCScene* HelloWorld::scene()
{
    CCScene *scene = CCScene::create();
    HelloWorld *layer = HelloWorld::create();
    scene->addChild(layer);

    return scene;
}

bool HelloWorld::init()
{
    if ( !CCLayer::init() )
    {
        return false;
    }
    
    CCSize visibleSize = CCDirector::sharedDirector()->getVisibleSize();
    
    CCTextFieldTTF *textField = CCTextFieldTTF::textFieldWithPlaceHolder("点击输入...", "Helvetica", 24);
    textField->setPosition(ccp(visibleSize.width*0.5, visibleSize.height*0.7));
    textField->setDelegate(this);
    textField->attachWithIME();
    this->addChild(textField);
    return true;
}

// CCTextFieldTTFDelegate
bool HelloWorld::onTextFieldAttachWithIME(CCTextFieldTTF *pSender)
{
    CCLog("启动输入");
    return false;
}

bool HelloWorld::onTextFieldDetachWithIME(CCTextFieldTTF *pSender)
{
    CCLog("关闭输入");
    return false;
}

bool HelloWorld::onTextFieldInsertText(CCTextFieldTTF *pSender, const char *text, int nLen)
{
    CCLog("输入字符");
    return false;
}

bool HelloWorld::onTextFieldDeleteBackward(CCTextFieldTTF *pSender, const char *delText, int nLen)
{
    CCLog("删除字符");
    return false;
}